NASA will host a live panel discussion today (Aug. 20) on the search for habitable alien planets, and how studies of ancient Earth can help scientists today.
The one-hour panel will include a discussion with "leading science experts describing what is known about our ancient Earth and how that information can guide the search for habitable planets orbiting other stars," according to a NASA announcement. Watch live at 5:30 p.m. ET (2130 GMT) window below:
The scientists on the panel are:
- Phoebe Cohen, Professor of Geosciences Williams College, Williamstown, Massachusetts.
- Shawn Domagal-Goldman, research space scientist, NASA’s Goddard Space Flight Center, Greenbelt. Maryland.
- Christopher House, Professor of Geosciences, Pennsylvania State University, University Park, Pennsylvania.
- Timothy Lyons, Professor of Biogeochemistry, UC Riverside, Riverside, California.
- Dawn Sumner, Professor of Geology, UC Davis, Davis, California.
- David Grinspoon, senior scientist, Planetary Science Institute, Tucson, Ariz. and former Blumberg NASA-Library of Congress Chair in Astrobiology, Washington
HD Views from the International Space Station
NASA is now live-streaming views of Earth from space captured by four commercial high-definition video cameras installed on the exterior of the International Space Station. The project, known as the High Definition Earth Viewing (HDEV) experiment, aims to test how cameras perform in the space environment. Full Story: NASA Now Streaming Live HD Camera Views of Earth from Space
- Earth From Space: Amazing Astronaut Photos
- UrtheCast Photos: HD Cameras Watch Earth from Space Station: Gallery
- Photos: Amazing Images of Earth from Space
- Planet Labs Photos of Earth from Space: Gallery
- Astronaut Chris Hadfield's Amazing Photos of Earth From Space
NASA TV is available in continental North America, Alaska and Hawaii on AMC-18C. A Digital Video Broadcast (DVB) compliant Integrated Receiver Decoder (IRD) is needed for reception. Below are parameters for each channel:
Uplink provider = AMC 18 C
Transponder = 3C
105 degrees W
Downlink Frequency: 3760 MHz
Downlink Polarity: Vertical
Transmission Format = DVB-S, 4:2:0
FEC = ¾
Data Rate = 38.80 Mbps
Symbol Rate = 28.0681